package com.lxyk.yygh.hosp.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.lxyk.yygh.common.exception.YyghException;
import com.lxyk.yygh.common.result.ResultCodeEnum;
import com.lxyk.yygh.hosp.mapper.ScheduleMapper;
import com.lxyk.yygh.hosp.repository.ScheduleRepository;
import com.lxyk.yygh.hosp.service.DepartmentService;
import com.lxyk.yygh.hosp.service.HospitalService;
import com.lxyk.yygh.hosp.service.ScheduleService;
import com.lxyk.yygh.model.hosp.BookingRule;
import com.lxyk.yygh.model.hosp.Department;
import com.lxyk.yygh.model.hosp.Hospital;
import com.lxyk.yygh.model.hosp.Schedule;
import com.lxyk.yygh.vo.hosp.BookingScheduleRuleVo;
import com.lxyk.yygh.vo.hosp.ScheduleOrderVo;
import com.lxyk.yygh.vo.hosp.ScheduleQueryVo;
import lombok.extern.slf4j.Slf4j;
import org.joda.time.DateTime;
import org.joda.time.DateTimeConstants;
import org.joda.time.format.DateTimeFormat;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.*;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.aggregation.Aggregation;
import org.springframework.data.mongodb.core.aggregation.AggregationResults;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.util.*;
import java.util.stream.Collectors;

@Service
@Slf4j
public class ScheduleServiceImpl extends ServiceImpl<ScheduleMapper,Schedule> implements ScheduleService {
    @Autowired
    private ScheduleRepository scheduleRepository;
    @Autowired
    private MongoTemplate mongoTemplate;
    @Autowired
    private HospitalService hospitalService;
    @Autowired
    private DepartmentService departmentService;


    //上传排班
    @Override
    public void save(Map<String, Object> paramMap) {
        //转JSON格式
        Schedule schedule = JSONObject.parseObject(JSONObject.toJSONString(paramMap), Schedule.class);
        //根据医院编号和排班编号
        Schedule tarSchedule=scheduleRepository
                .getScheduleByHoscodeAndHosScheduleId(schedule.getHoscode(),schedule.getHosScheduleId());
        if(null!=tarSchedule){
            schedule.setUpdateTime(new Date());
            schedule.setIsDeleted(0);
            schedule.setStatus(1);
            scheduleRepository.save(tarSchedule);
        }else {
            schedule.setCreateTime(new Date());
            schedule.setUpdateTime(new Date());
            schedule.setIsDeleted(0);
            scheduleRepository.save(schedule);
        }
    }

    //删除排班
    @Override
    public void remove(String hoscode, String hosScheduleId) {
        //根据医院编号和排班编号查询
        Schedule schedule = scheduleRepository.getScheduleByHoscodeAndHosScheduleId(hoscode, hosScheduleId);
        if(null != schedule) {
            scheduleRepository.deleteById(schedule.getId());
        }
    }

    //查询排班规则数据
    @Override
    public Map<String, Object> getRulesSchedule(long page, long limit, String hoscode, String depcode) {
        //根据医院编号和科室编号查询
        Criteria criteria = Criteria.where("hoscode").is(hoscode).and("depcode").is(depcode);
        //根据工作日期进行分组
        Aggregation agg=Aggregation.newAggregation(
                Aggregation.match(criteria),//条件
                Aggregation.group("workDate")
                        .first("workDate").as("workDate")//分组字段
                        //统计号源
                .count().as("docCount")
                        //可预约数
                .sum("reservedNumber").as("reservedNumber")
                        //剩余预约数
                .sum("availableNumber").as("availableNumber"),
                //排序
                Aggregation.sort(Sort.Direction.DESC,"workDate"),
                //分页
                Aggregation.skip((page-1)*limit),
                Aggregation.limit(limit)
        );
        //调用方法
        AggregationResults<BookingScheduleRuleVo> results = mongoTemplate
                .aggregate(agg, Schedule.class, BookingScheduleRuleVo.class);
        List<BookingScheduleRuleVo> bookingScheduleRuleList = results.getMappedResults();

        //总记录数
        Aggregation totalAgg=Aggregation.newAggregation(
                Aggregation.match(criteria),//条件
                Aggregation.group("workDate")
        );
        AggregationResults<BookingScheduleRuleVo> totalResults = mongoTemplate
                .aggregate(totalAgg, Schedule.class, BookingScheduleRuleVo.class);
        int total = totalResults.getMappedResults().size();

        //把日期对应的星期获取
        for (BookingScheduleRuleVo bookingScheduleRuleVo : bookingScheduleRuleList) {
            Date workDate = bookingScheduleRuleVo.getWorkDate();//可预约日期
            String dayOfWeek = this.getDayOfWeek(new DateTime(workDate));//日期对应的星期

            bookingScheduleRuleVo.setDayOfWeek(dayOfWeek);  //周几获取到
        }
        Map<String,Object> result=new HashMap<>();
        result.put("bookingScheduleRuleList",bookingScheduleRuleList);
        result.put("total",total);

        //医院名称
        String hospName=hospitalService.getByHosName(hoscode);

        Map<String,String> baseMap=new HashMap<>();
        baseMap.put("hospName",hospName);
        result.put("baseMap",baseMap);

        return result;
    }

    /**
     * 根据日期获取周几数据
     * @param dateTime
     * @return
     */
    private String getDayOfWeek(DateTime dateTime) {
        String dayOfWeek = "";
        switch (dateTime.getDayOfWeek()) {
            case DateTimeConstants.SUNDAY:
                dayOfWeek = "周日";
                break;
            case DateTimeConstants.MONDAY:
                dayOfWeek = "周一";
                break;
            case DateTimeConstants.TUESDAY:
                dayOfWeek = "周二";
                break;
            case DateTimeConstants.WEDNESDAY:
                dayOfWeek = "周三";
                break;
            case DateTimeConstants.THURSDAY:
                dayOfWeek = "周四";
                break;
            case DateTimeConstants.FRIDAY:
                dayOfWeek = "周五";
                break;
            case DateTimeConstants.SATURDAY:
                dayOfWeek = "周六";
            default:
                break;
        }
        return dayOfWeek;
    }

    //查询排班
    @Override
    public Page<Schedule> selectPage(int page, int limit, ScheduleQueryVo scheduleQueryVo) {
        // 创建 Pageable对象,设置当前页和每页记录数
        // 0是第一页
        Pageable pageable = PageRequest.of(page - 1, limit);
        // DepartmentQueryVo 转换  Schedule
        Schedule schedule = new Schedule();
        BeanUtils.copyProperties(scheduleQueryVo,schedule);
        schedule.setIsDeleted(0);
        schedule.setStatus(1);
        // 构建对象
        // 改变默认字符串匹配方式：模糊查询   改变默认大小写忽略方式：忽略大小写
        ExampleMatcher matcher = ExampleMatcher.matching()
                .withStringMatcher(ExampleMatcher.StringMatcher.CONTAINING)
                .withIgnoreCase(true);
        // 创建Example 对象
        Example<Schedule> example = Example.of(schedule,matcher);
        Page<Schedule> all =scheduleRepository.findAll(example, pageable);
        return all;
    }

    //查询排班详情数据
    @Override
    public List<Schedule> getDetailSchedule(String hoscode, String depcode, String workDate) {
        //根据医院编号和科室编号查询当天的排班规则
        List<Schedule> scheduleList=
                scheduleRepository.findScheduleByHoscodeAndDepcodeAndWorkDate(hoscode,depcode,new DateTime(workDate).toDate());
            scheduleList.stream().forEach(item->{
                this.packageSchedule(item);
            });
        return scheduleList;
    }

    @Override
    public Map<String, Object> getBookingScheduleRule(int page, int limit, String hoscode, String depcode) {
        Map<String, Object> result = new HashMap<>();
        //获取预约规则
        //根据医院编号得到预约规则
        Hospital hospital = hospitalService.getByHoscode(hoscode);
        if(null == hospital) {
            throw new YyghException(ResultCodeEnum.DATA_ERROR);
        }
        BookingRule bookingRule = hospital.getBookingRule();

        //获取可预约日期分页数据
        IPage iPage = this.getListDate(page, limit, bookingRule);
        //当前页可预约日期
        List<Date> dateList = iPage.getRecords();

        //获取可预约日期科室剩余预约数
        Criteria criteria = Criteria.where("hoscode")
                .is(hoscode).and("depcode")
                .is(depcode).and("workDate").in(dateList);

        Aggregation agg = Aggregation.newAggregation(
                Aggregation.match(criteria),
                Aggregation.group("workDate")//分组字段
                        .first("workDate").as("workDate")   //别名
                        .count().as("docCount")  //统计
                        .sum("availableNumber").as("availableNumber")  //求和
                        .sum("reservedNumber").as("reservedNumber")
        );

        // 调用mongodb的方法
        AggregationResults<BookingScheduleRuleVo> aggregationResults =
                mongoTemplate.aggregate(agg, Schedule.class, BookingScheduleRuleVo.class);

        // 获取科室剩余预约数 得到可预约的剩余数
        List<BookingScheduleRuleVo> scheduleVoList = aggregationResults.getMappedResults();

        //合并数据 将统计数据ScheduleVo根据“安排日期”合并到BookingRuleVo
        Map<Date, BookingScheduleRuleVo> scheduleVoMap = new HashMap<>();
        if(!CollectionUtils.isEmpty(scheduleVoList)) {
            // Collectors.toMap 转成map集合
            scheduleVoMap = scheduleVoList.stream().
                    collect(Collectors.toMap(BookingScheduleRuleVo::getWorkDate,
                            BookingScheduleRuleVo -> BookingScheduleRuleVo));
        }

        //获取可预约排班规则
        List<BookingScheduleRuleVo> bookingScheduleRuleVoList = new ArrayList<>();
        for(int i=0, len=dateList.size(); i<len; i++) {
            //得到每一个日期
            Date date = dateList.get(i);

            //从map集合根据key日期获取value值
            BookingScheduleRuleVo bookingScheduleRuleVo = scheduleVoMap.get(date);

            // 如果等于 null  说明当天没有排班医生  无号
            if(null == bookingScheduleRuleVo) { // 说明当天没有排班医生
                bookingScheduleRuleVo = new BookingScheduleRuleVo();
                //就诊医生人数
                bookingScheduleRuleVo.setDocCount(0);
                //科室剩余预约数  -1表示无号
                bookingScheduleRuleVo.setAvailableNumber(-1);
            }
            // 设置可预约日期
            bookingScheduleRuleVo.setWorkDate(date);
            bookingScheduleRuleVo.setWorkDateMd(date);
            //计算当前预约日期为周几
            String dayOfWeek = this.getDayOfWeek(new DateTime(date));
            bookingScheduleRuleVo.setDayOfWeek(dayOfWeek);

            //最后一页最后一条记录为即将预约   状态 0：正常 1：即将放号 -1：当天已停止挂号
            if(i == len-1 && page == iPage.getPages()) {
                bookingScheduleRuleVo.setStatus(1);
            } else {
                bookingScheduleRuleVo.setStatus(0);
            }
            //当天预约如果过了停号时间， 不能预约
            if(i == 0 && page == 1) {
                DateTime stopTime = this.getDateTime(new Date(), bookingRule.getStopTime());
                if(stopTime.isBeforeNow()) {
                    //停止预约
                    bookingScheduleRuleVo.setStatus(-1);
                }
            }
            bookingScheduleRuleVoList.add(bookingScheduleRuleVo);
        }

        //可预约日期规则数据  最终放到map中
        result.put("bookingScheduleList", bookingScheduleRuleVoList);
        result.put("total", iPage.getTotal());
        //其他基础数据
        Map<String, String> baseMap = new HashMap<>();
        //医院名称
        baseMap.put("hosname", hospitalService.getByHosName(hoscode));
        //科室
        Department department =departmentService.getDepartment(hoscode, depcode);
        //大科室名称
        baseMap.put("bigname", department.getBigname());
        //科室名称
        baseMap.put("depname", department.getDepname());
        //月
        baseMap.put("workDateString", new DateTime().toString("yyyy年MM月"));
        //放号时间
        baseMap.put("releaseTime", bookingRule.getReleaseTime());
        //停号时间
        baseMap.put("stopTime", bookingRule.getStopTime());
        result.put("baseMap", baseMap);
        return result;
    }

    //根据排班id获取排班数据
    @Override
    public Schedule getScheduleId(String scheduleId) {
        Schedule schedule = scheduleRepository.findById(scheduleId).get();
        return this.packageSchedule(schedule);
    }

    //根据排班id获取预约下单数据
    @Override
    public ScheduleOrderVo getScheduleOrderVo(String scheduleId) {
        ScheduleOrderVo scheduleOrderVo = new ScheduleOrderVo();
        //排班信息
        Schedule schedule = this.getScheduleId(scheduleId);
        if (null==schedule) {
            throw new YyghException(ResultCodeEnum.PARAM_ERROR);
        }
        //获取预约规则信息
        Hospital hospital = hospitalService.getByHoscode(schedule.getHoscode());
        if(null == hospital) {
            throw new YyghException(ResultCodeEnum.DATA_ERROR);
        }
        BookingRule bookingRule = hospital.getBookingRule();
        if(null == bookingRule) {
            throw new YyghException(ResultCodeEnum.PARAM_ERROR);
        }
        //把获取的数据设置到 ScheduleOrderVo
        scheduleOrderVo.setHoscode(schedule.getHoscode());
        scheduleOrderVo.setHosname(hospitalService.getByHosName(schedule.getHoscode()));
        scheduleOrderVo.setDepcode(schedule.getDepcode());
        scheduleOrderVo.setDepname(departmentService.getDepName(schedule.getHoscode(), schedule.getDepcode()));
        scheduleOrderVo.setHosScheduleId(schedule.getHosScheduleId());
        scheduleOrderVo.setAvailableNumber(schedule.getAvailableNumber());
        scheduleOrderVo.setTitle(schedule.getTitle());
        scheduleOrderVo.setReserveDate(schedule.getWorkDate());
        scheduleOrderVo.setReserveTime(schedule.getWorkTime());
        scheduleOrderVo.setAmount(schedule.getAmount());

        //退号截止天数（如：就诊前一天为-1，当天为0）
        int quitDay = bookingRule.getQuitDay();
        DateTime quitTime = this.getDateTime(new DateTime(schedule.getWorkDate()).plusDays(quitDay).toDate(), bookingRule.getQuitTime());
        scheduleOrderVo.setQuitTime(quitTime.toDate());

        //预约开始时间
        DateTime startTime = this.getDateTime(new Date(), bookingRule.getReleaseTime());
        scheduleOrderVo.setStartTime(startTime.toDate());

        //预约截止时间
        DateTime endTime = this.getDateTime(new DateTime().plusDays(bookingRule.getCycle()).toDate(), bookingRule.getStopTime());
        scheduleOrderVo.setEndTime(endTime.toDate());

        //当天停止挂号时间
        DateTime stopTime = this.getDateTime(new Date(), bookingRule.getStopTime());
        scheduleOrderVo.setStopTime(stopTime.toDate());

        return scheduleOrderVo;
    }

    //更新排班数据 用于mq
    @Override
    public void update(Schedule schedule) {
        schedule.setUpdateTime(new Date());
        scheduleRepository.save(schedule);
    }

    //封装排版详情数据
    private Schedule packageSchedule(Schedule schedule){
        //医院名称
        schedule.getParam().put("hosname",hospitalService.getByHosName(schedule.getHoscode()));
        //科室名称
        schedule.getParam().put("depname",departmentService.getDepName(schedule.getDepcode(),schedule.getHoscode()));
        //日期对应的星期
        schedule.getParam().put("dayOfweek",this.getDayOfWeek(new DateTime(schedule.getWorkDate())));
        return schedule;
    }

    /**
     * 获取可预约日期分页数据
     */
    private IPage getListDate(int page,int limit,BookingRule bookingRule){
        //获取当天放号时间 年 月 日 小时 分钟
        DateTime dateTime = this.getDateTime(new Date(), bookingRule.getReleaseTime());
        //获取预约周期
        int cycle=bookingRule.getCycle();
        //如果当天放号时间已过,则预约周期后一天为即将放号时间，周期加1
        if(dateTime.isBeforeNow())cycle+=1;
        //可预约所有日期,最后一天显示即将倒计时
        List<Date> dateList=new ArrayList<>();
        for (int i = 0; i < cycle; i++) {
            //计算当前预约日期
            DateTime curDateTime = new DateTime().plusDays(i);
            String dateString = curDateTime.toString("yyyy-MM-dd");
            dateList.add(new DateTime(dateString).toDate());
        }
        //日期分页，由于预约周期不一样，页面一排最多显示七天数据，多了就要显示分页
        List<Date> pageDateList = new ArrayList<>();
        int start=(page-1)*limit;
        int end=(page-1)*limit+limit;

        //如果可以显示数据小于7，直接显示
        if(end>dateList.size()) end=dateList.size();

        for (int i =start; i <end ; i++) {
            pageDateList.add(dateList.get(i));
        }

        //如果可以显示数据大于7，进行分页
        IPage<Date> iPage=new com.baomidou.mybatisplus.extension.plugins.pagination.Page(page, 7, dateList.size());
        iPage.setRecords(pageDateList);
        return iPage;
    }
    /**
     * 将Date日期（yyyy-MM-dd HH:mm）转换为DateTime
     */
    private DateTime getDateTime(Date date,String timeString){
        String dateTimeString=new DateTime(date).toString("yyyy-MM-dd")+" "+timeString;
        DateTime dateTime = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm").parseDateTime(dateTimeString);
        return dateTime;
    }
}
